Ping.fm, a social media application that lets users cross-post messages to multiple sites has received an undisclosed amount of angel funding. Creative Commons CEO Joi Ito and LinkedIn founder and CEO Reid Hoffman are behind the investment (via RWW). Ping.fm launched in March and grew to include more than 30 networks (including Facebook, Twitter, WordPress blogs and Delicious) but it had been plagued with service issues and system overloads as it scales.

In a blog post, founders Sean McCullough and Adam Duffy said they plan to use the money for new hardware to improve reliability, as well as add new features. Similar apps include Youmeo which acts like a single dashboard for all of a user’s given social media profiles and Digsby, a notification tool that lets users manage their IM, email and social media accounts.